Book excerpt: Assessment in Second Language Pronunciation highlights the importance of pronunciation in the assessment of second language speaking proficiency. Leading researchers from around the world cover practical issues as well as theoretical principles, enabling the understanding and application of the theory involved in assessment in pronunciation. Key features of this book include: Examination of key criteria in pronunciation assessment, including intelligibility, comprehensibility and accentedness; Exploration of the impact of World Englishes and English as a Lingua Franca on pronunciation assessment; Evaluation of the validity and reliability of testing, including analysis of scoring methodologies; Discussion of current and future practice in assessing pronunciation via speech recognition technology. Assessment in Second Language Pronunciation is vital reading for students studying modules on pronunciation and language testing and assessment.